What was the purpose of SARS-CoV-2?

The McCullough Report with Dr. Peter McCullough – Haslam believes that US researchers likely engineered SARS-CoV-2 on US soil at the University of North Carolina, Chapel Hill, and a biolab in Hamilton, Montana. They did some of the dangerous testing work in the BSL-4 annex in Wuhan. It was in Wuhan the virus designed as a spreadable veterinary vaccine for bats jumped into humans...